Abstract

A simple model for electroproduction of ω-mesons is presented. The non-diffractive part is described by elementary OPE without corrections, combined with vector-meson dominance. For the diffractive production amplitudes we assume helicity conservation in the direct channel. We discuss the differential cross section and the spin-density matrix of the ω-mesons, particularly emphasizing the dependence on the mass of the virtual photon and the possibility to test the mass-dependence of the ϱωπ coupling constant.

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